JPS5726937A - Power data transmission system - Google Patents

Power data transmission system

Info

Publication number
JPS5726937A
JPS5726937A JP10217280A JP10217280A JPS5726937A JP S5726937 A JPS5726937 A JP S5726937A JP 10217280 A JP10217280 A JP 10217280A JP 10217280 A JP10217280 A JP 10217280A JP S5726937 A JPS5726937 A JP S5726937A
Authority
JP
Japan
Prior art keywords
cycle
transmitted
data
value
data transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10217280A
Other languages
Japanese (ja)
Inventor
Katsuyuki Machino
Tsuguhiko Tanaka
Masahiro Ise
Takaaki Okamoto
Chuji Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP10217280A priority Critical patent/JPS5726937A/en
Publication of JPS5726937A publication Critical patent/JPS5726937A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

PURPOSE:To transmit accurate information through the rejection of effect of defective channel having noise, by transmitting the same information to all the channels assigned during one cycle. CONSTITUTION:Data ''1'' is transmitted with n channels at the 1st one cycle and data ''0'' is transmitted at the next one cycle. The set value B of a setter 19 is selected to a smaller but near value to the number n of the channel. When data ''1'' is transmitted to all the channels of one cycle, it is counted with n at a counter 17. The count value n is compared with the set value B and it is judged as original value transmitted with the data for the cycle, if n>B. If the count value is smaller than the set value, it is judged as the production of noise.
JP10217280A 1980-07-24 1980-07-24 Power data transmission system Pending JPS5726937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10217280A JPS5726937A (en) 1980-07-24 1980-07-24 Power data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10217280A JPS5726937A (en) 1980-07-24 1980-07-24 Power data transmission system

Publications (1)

Publication Number Publication Date
JPS5726937A true JPS5726937A (en) 1982-02-13

Family

ID=14320275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10217280A Pending JPS5726937A (en) 1980-07-24 1980-07-24 Power data transmission system

Country Status (1)

Country Link
JP (1) JPS5726937A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0258920A2 (en) * 1982-10-26 1988-03-09 Sharp Kabushiki Kaisha Noise reduction in signal transmission system over building power distribution wiring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923648A (en) * 1972-06-22 1974-03-02
JPS5025255A (en) * 1973-07-05 1975-03-17
JPS5329609A (en) * 1976-08-31 1978-03-20 Nec Corp Detecting circuit for data signal
JPS543412A (en) * 1977-06-09 1979-01-11 Nec Corp Signal detection circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923648A (en) * 1972-06-22 1974-03-02
JPS5025255A (en) * 1973-07-05 1975-03-17
JPS5329609A (en) * 1976-08-31 1978-03-20 Nec Corp Detecting circuit for data signal
JPS543412A (en) * 1977-06-09 1979-01-11 Nec Corp Signal detection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0258920A2 (en) * 1982-10-26 1988-03-09 Sharp Kabushiki Kaisha Noise reduction in signal transmission system over building power distribution wiring

Similar Documents

Publication Publication Date Title
CA1243780A (en) Production process control system
JPS53113401A (en) Light communication system
EP0111262A3 (en) Output multiplexer having one gate delay
JPS5726937A (en) Power data transmission system
GB1421243A (en) Analysing data of a predetermined bit rate
JPS5698954A (en) Data transmission system with start and stop signal
JPS54119808A (en) Information delivery system
JPS5212503A (en) Multiplex loop transmission system
JPS5760751A (en) Code transmission method
JPS53147425A (en) Control system for carrier multi-channel utilizing indoor electric line
JPS5438156A (en) Telemeter apparatus of rotating machines
JPS533004A (en) Error check system for data transmission
JPS57101463A (en) Information transmission controller
JPS5375705A (en) Transmission system for optical signal
JPS6413685A (en) Data managing system
JPS5369512A (en) Data multiplying system on pcm data transmission
JPS56165417A (en) Code transmitting circuit
JPS5735446A (en) Data transmission system
JPS5691549A (en) Signal loop back test system
JPS5710563A (en) Transmission control system for audio packet
JPS5664532A (en) Multiplex transmission system for picture signal
JPS53139903A (en) Information transmission unit
JPS53148210A (en) Resonance transfer circuit
JPS5383431A (en) Test method for terminal unit
JPS5721168A (en) Video data coding method